WO2003083257A1 - Treillis filtrant, manchon de protection contre l'ensablement et tuyau a tamis de protection contre l'ensablement dote dudit treillis filtrant - Google Patents

Treillis filtrant, manchon de protection contre l'ensablement et tuyau a tamis de protection contre l'ensablement dote dudit treillis filtrant Download PDF

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Publication number
WO2003083257A1
WO2003083257A1 PCT/CN2003/000129 CN0300129W WO03083257A1 WO 2003083257 A1 WO2003083257 A1 WO 2003083257A1 CN 0300129 W CN0300129 W CN 0300129W WO 03083257 A1 WO03083257 A1 WO 03083257A1
Authority
WO
WIPO (PCT)
Prior art keywords
sand control
mesh
composite metal
net
metal filter
Prior art date
Application number
PCT/CN2003/000129
Other languages
English (en)
Chinese (zh)
Inventor
Jichu Chen
Chunhong Huang
Original Assignee
Beijing Hinen-Hitech Petroleum Technology Development Co.,Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Hinen-Hitech Petroleum Technology Development Co.,Ltd filed Critical Beijing Hinen-Hitech Petroleum Technology Development Co.,Ltd
Priority to AU2003221275A priority Critical patent/AU2003221275A1/en
Priority to US10/510,195 priority patent/US20070114171A1/en
Publication of WO2003083257A1 publication Critical patent/WO2003083257A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/10—Filter screens essentially made of metal
    • B01D39/12—Filter screens essentially made of metal of wire gauze; of knitted wire; of expanded metal
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/08—Screens or liners
    • E21B43/084—Screens comprising woven materials, e.g. mesh or cloth

Definitions

  • the invention relates to an anti-fluid filter, in particular to a downhole metal filtration sand control screen tube with a composite metal filter screen, which can be used for the exploitation of petroleum and natural gas wells and prevents formation sand from entering the wellbore.
  • Sand control screen pipe is a mechanical filtering device used to prevent formation sand from entering the wellbore and control formation sand production.
  • the main sand control screens used in mechanical sand control are: slotted screen, wire-wrapped screen, metal cotton sand control tube and sintered filter sand control screen.
  • the main disadvantages of metal wool sand control pipes are: The filter holes are unstable, the reliability is poor, and sand control failures are likely to occur;
  • the sintered filter sand control screen tube is sintered with metal powder or multi-layer metal mesh.
  • the sand control filter layer can also be made by sintering with metal mesh and metal powder.
  • the sintered filter sand control screen has a good sand control effect, but its manufacturing process is complicated, the production is difficult, and the cost is high. After the metal wire is heated and sintered, its anticorrosive performance will be reduced.
  • the prior art In order to meet the sand control requirements of the modern oil and gas wells, the prior art generally adopts sand control screens using DUTCH TWILL and metal fiber sintered materials as filter materials.
  • US patent US 5611399 and Chinese patent 94192239. 1 are disclosed.
  • the filter structure of the sand control screen tube is composed of two filter layers, the surface layer is a metal dense mesh cylinder; the second layer inside is a wire-wound filter layer.
  • the longitudinal seams of the metal dense mesh tube are connected by folding the horse's mouth.
  • the wire-wound filter layer supports the dense metal mesh and acts as a second sand control mesh.
  • the filter layer of the sand control screen disclosed in Chinese Patent No. 94192239.1 is composed of multiple layers of sintered porous media. Due to the complicated vacuum sintering process, the manufacturing cost of such sand control pipes is still high. Due to the difficulty of the sand control mesh fixing process and technology, when multi-layer sand control materials are required for the sand control tube, the multi-layer sand control mesh cannot be welded into a cylinder first, but can be assembled after the strength and light leakage inspection, and can only be installed in the base. The pipes are fixed layer by layer, but because the quality of the connection is not easy to check, it is easy to leave hidden quality problems. Summary of the Invention
  • the main object of the present invention is to provide a composite metal filter, which has a multilayer metal mesh composite filter layer, which accurately controls the filtering accuracy, has a large seepage area, small flow resistance, and uniform filter pores, and can maintain the filter pores when the carrier is bent and deformed stable.
  • Another object of the present invention is to provide a sand control mesh cylinder with the composite metal filter, which has high strength, good corrosion resistance, can be easily connected and fixed with corresponding pipes, has good processability and low cost.
  • Yet another object of the present invention is to provide a sand control screen tube having the above-mentioned composite metal filter screen.
  • the sand control screen tube has high strength, good corrosion resistance, smooth access to wells, and has reliable sand control, strong anti-blocking ability, and long service life. .
  • a composite metal filter net includes at least a bottom diffusion net and a mat net; the mat net is fixed on the surface of the bottom diffusion net, wherein the mat net is used for filtering fluid
  • the bottom diffusion mesh is used to diffuse the filtered fluid, and the two meshes are fixed to form a basic screen.
  • the mat-type net may be two or more layers, and one or more inter-layer diffusion nets are also fixedly connected between the two-layer mat-type nets.
  • the inter-layer diffusion net will be filtered.
  • the fluid diffuses between the layers, which not only enhances the filtering effect, but also maintains the smooth flow of the filtered fluid.
  • the interlayer diffusion net can also be fixed on the surface of the mat net, so that the filtered fluid can be sufficiently diffused before filtering.
  • a metal fiber layer can also be fixed on the surface of the mat-shaped net; the metal fiber layer is made of metal wire, so that the filtered fluid can be more fully diffused and flowed.
  • a metal fiber layer is fixed between the interlayer diffusion nets to ensure smooth flow of the filtered fluid.
  • the metal fiber layer is composed of a metal wire; the wire diameter of the metal wire is between 0.05-0.30 mm; and the thickness of the metal fiber layer is 3-30 mm.
  • the bottom diffusion mesh is a 5-50 mesh woven mesh or a punched steel mesh.
  • the mat mesh has a pore size of 40-400 microns.
  • the interlayer diffusion mesh is a woven mesh of 10-60 mesh.
  • a sand control cylinder with a composite metal filter includes a mesh cylinder made of the composite metal filter, a cylindrical inner protective sleeve with a through hole distributed on the surface, and a support ring. The mesh cylinder is wrapped in the cylinder to protect it.
  • the outer side of the sleeve; the support rings are respectively sleeved and fixedly connected to the ends of the cylindrical inner protective sleeve at the outer ends of the cylindrical inner protective sleeve and the ends of the mesh cylinder, thereby manufacturing a cylindrical filtering device capable of filtering fluid.
  • Hoops for fixing the mesh cylinder are also fixed on the outer sides of the two ends of the mesh cylinder, respectively, so that the mesh cylinder made of the composite metal filter can be stabilized.
  • an outer protective sleeve is also fixedly connected to the surface of the net cylinder; a flow hole is arranged on the surface of the outer protective sleeve.
  • a sand control screen tube with a sand control tube is composed of a sand control tube and a pipe body fixedly extended at both ends of the sand control tube; It is sleeved on the pipe body and covers all the through holes in the pipe body; the two ends of the sand control screen pipe are provided with connection structures for connecting other components.
  • two kinds of sand control screen pipes can be made: one is a sand control screen pipe whose pipes are respectively connected to both ends of the sand control cylinder, and the other is a sand control pipe which is wrapped on the outer surface of the independent pipe body with through holes.
  • Sand control screen tube; The above two types of sand control screen tubes are connected to other components through connection structures provided at both ends of the pipe body.
  • a sand control screen pipe with a composite metal filter includes a porous base pipe, an inner protective sleeve and more than one inner protective sleeve support ring; wherein the composite metal filter is fixed inside the porous base pipe and completely covers the porous All through holes of the base pipe; the inner protective sleeve is provided with oil seepage holes and is fixed inside the composite metal filter and completely covers the composite metal filter; the inner protective sleeve supporting ring is fixed on a porous base Both ends of the inner side of the tube hole area, the two ends of the inner protective sleeve along the axial direction of the porous base pipe are respectively fixed on the inner protective sleeve support ring.
  • the above arrangement enables the composite metal filter to be protected by a porous base pipe, and the surface of the pipe body is smooth to facilitate movement in the well.
  • the sand control screen pipe is further provided with an inner village pipe, and the inner pipe is fixed on the inner side of the inner protective sleeve. Parts of the porous base pipe are connected to other pipe bodies at both ends.
  • the composite metal filter of the present invention has a multi-layer metal mesh composite filter layer, which can accurately control the filtering accuracy, large seepage area, small flow resistance, and uniform filter pores, and can keep the filter pores stable when the plant is bent and deformed. .
  • the composite metal sand control screen pipe and the composite metal sand control cylinder using the composite metal filter have high strength, good corrosion resistance, and reliable sand control. Strong anti-blocking ability, long service life, good processability, low cost, etc. BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a schematic structural diagram of a filter layer of a composite metal filter screen of the present invention.
  • FIG. 2 is another specific structural schematic diagram of the filter layer of the composite metal filter of the present invention.
  • FIG. 3 is another specific structural schematic diagram of the filter layer of the composite metal filter screen of the present invention.
  • FIG. 4 is another schematic structural diagram of the filter layer of the composite metal filter screen of the present invention.
  • FIG. 5 is a structural schematic view of a composite metal mesh filter formed by the composite metal filter of the present invention.
  • FIG. 6 is a schematic structural diagram of an embodiment of a composite metal mesh sand control screen tube according to the present invention.
  • FIG. 7 is a partially enlarged view of a portion of FIG. 6B.
  • FIG. 8 is a schematic structural diagram of another embodiment of a composite metal mesh anti-sieve pipe according to the present invention. detailed description
  • a composite metal filter screen of the present invention includes at least a bottom diffusion net 20 and a seat net.
  • An interlayer diffusion net 22 is also provided between the two-layer mat type net 21; the bottom diffusion net 20, the mat type net 21 and the interlayer diffusion net 22 are sequentially overlapped and fixed to form a composite metal filter net.
  • Embodiment 2 Referring to FIG. 2, another composite metal filter of the present invention includes at least a bottom diffusion net 20 and a mat type net 21, and an inter-layer diffusion net 22 is further provided between two layers of the mat type net 21; An interlayer diffusion net 22 is further provided on the outer layer of the mat net 21 to constitute a composite metal filter net.
  • Embodiment 3 Referring to FIG. 3, another composite metal filter of the present invention includes at least a bottom diffusion net 20 and a mat type net 21, and an inter-layer diffusion net 22 is also provided between two layers of the mat type net 21; The outer layer of the mat-type mesh 21 is also provided with metal fibers.
  • the dimension layer 23, the bottom diffusion mesh 20, the mat-type mesh 21, the interlayer diffusion mesh 22, and the metal fiber layer 23 are sequentially overlapped and fixed to form a composite metal filter. .
  • Embodiment 4 Referring to FIG. 4, another composite metal filter screen of the present invention is composed of a bottom diffusion net 20, a mat type net 21, an interlayer diffusion net 22, a metal fiber layer 23, and an interlayer diffusion net 22 in order. .
  • the bottom diffusion net 20 described above is a 30-mesh woven net; the mat-type mesh has a pore size of 200 microns; the wire diameter of the metal fiber layer 23 is 0.10, and the thickness of the metal fiber layer is 10; interlayer diffusion
  • the net 22 is a 30 mesh woven net.
  • Embodiment 5 Referring to FIG. 5, the composite metal mesh sand control cylinder structure is formed by using the above composite metal filter screen A; wherein, the composite metal mesh sand control cylinder is provided with through holes 25 with dense coatings, which are rolled and secured by a steel mesh. ⁇ ⁇ ⁇ ⁇ 19 , The the A mesh tube support ring 15 is fixed at each end of the inner protective sleeve 19, and the composite metal filter A is wrapped around the outer protective sleeve 19 to form a composite metal mesh sand control cylinder.
  • the metal mesh of the composite metal filter screen A is firmly fixed to the ring seam of the composite metal mesh sand control tube support ring 15; the composite metal mesh sand control tube hoop 16 is fastened tightly and is set at the end of the composite metal mesh control tube.
  • a composite metal mesh sand control screen pipe of the present invention is composed of a porous base pipe 1, a composite metal filter screen A, an outer protective sleeve 3, an outer protective sleeve support ring 4 and the like.
  • the porous base pipe 1 adopts standard casing or tubing commonly used in oil fields, and stainless steel tubing can also be used to meet special anti-corrosion requirements.
  • External threads 7 for connecting the tubing pipe body 8 are respectively provided at both ends of the porous base pipe 1; the middle section of the porous base pipe 1 is uniformly arranged with through holes 6 for passing through the formation fluid.
  • the innermost layer of the composite metal filter A is an inner protective sleeve 19 rolled from a steel mesh provided with through holes.
  • the two ends of the inner protective sleeve 19 are fixed to the composite metal filter A and the support ring 15 to form a composite.
  • the metal filter A is fixed on the outer surface of the inner protective sleeve 19, and its end is sealed and fixed on the support ring 15 with a hoop 16.
  • the composite metal filter A is sleeved on the porous base pipe 1, and the support ring 15 and the porous base pipe 1 are fixedly integrated into one body.
  • the annular weld 5 serves as a connection and end seal.
  • An outer protective sleeve 3 with dense flow holes 11 is sleeved on the outer surface of the composite metal filter A.
  • the outer protective sleeve 3 is positioned and supported by a protective support ring 4 which is fixed to each other with a porous base pipe 1 and The protective sleeve 3 and the protective support ring 4 are fixed to each other.
  • a centering block 14 may be provided at an appropriate position on the porous base pipe 1 so that the composite metal mesh sand control screen can be centered during the use of the well to prevent the outer protective sleeve 3 from being damaged.
  • Embodiment 7 Referring to FIG. 8, another composite metal mesh prevention screen of the present invention is composed of a porous base tube 1, a composite metal filter A, a support ring 15 and the like.
  • the porous base pipe 1 adopts standard casing or tubing commonly used in oil fields, and stainless steel tubing can also be used to meet special anti-corrosion requirements.
  • external threads 7 for connecting the tubing pipe body 8 are respectively provided; the middle sections of the porous base pipe 1 are provided with through holes 11 for passing through the formation fluid.
  • the innermost layer of the composite metal filter A is an inner lining pipe 19 'rolled from a steel mesh provided with through holes, and both ends of the internal lining pipe 19' are fixed to the composite metal filter A and the support ring 15
  • the composite metal filter A is fixed and fixed on the outer surface of the inner lining pipe 19 ′, and its end is directly fixed on the support ring 15.
  • the composite metal filter screen A is provided inside the porous base pipe 1, and the support ring 15 and the porous base pipe 1 are integrally fixed to form a built-in composite metal mesh sand control screen.

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Textile Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Filtering Materials (AREA)

Abstract

La présente invention se rapporte à un treillis filtrant pour puits de pétrole, à un manchon de protection contre l'ensablement et à un tuyau à tamis de protection contre l'ensablement doté dudit treillis filtrant. Ce treillis filtrant comporte un treillis de dispersion (20) disposé en partie inférieure de manière à disperser les solides déposés sur le treillis de dispersion (20) et un treillis tamis (21) fixé au treillis de dispersion (20) et conçu pour filtrer le fluide de la formation. Le treillis de dispersion (20) est constitué d'un tissu ou d'un tuyau perforé ayant une dimension de maille comprise entre 5 et 50 et le diamètre des trous du tamis treillis est compris entre 40 et 400 νm. Le manchon de protection contre l'ensablement de la présente invention comprend le treillis filtrant, un cylindre de protection interne (19) et un anneau de support (15). Le tuyau à tamis de protection contre l'ensablement conforme à la présente invention comprend le treillis filtrant, un tuyau à base perforée (1), un cylindre de protection interne (19), un cylindre de protection externe (3) et un anneau de support (15).
PCT/CN2003/000129 2002-04-01 2003-02-10 Treillis filtrant, manchon de protection contre l'ensablement et tuyau a tamis de protection contre l'ensablement dote dudit treillis filtrant WO2003083257A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003221275A AU2003221275A1 (en) 2002-04-01 2003-02-10 A filtering net, a sanding-prevention sleeve and a sanding-prevention screen pipe with the filtering net
US10/510,195 US20070114171A1 (en) 2002-04-01 2003-02-10 Composite filtering mesh, a sand control sleeve and a sand control screen pipe with the composite filtering mesh

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN02209128.9 2002-04-01
CN02209128U CN2547872Y (zh) 2002-04-01 2002-04-01 复合金属过滤网及其防砂筛管

Publications (1)

Publication Number Publication Date
WO2003083257A1 true WO2003083257A1 (fr) 2003-10-09

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Family Applications (1)

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PCT/CN2003/000129 WO2003083257A1 (fr) 2002-04-01 2003-02-10 Treillis filtrant, manchon de protection contre l'ensablement et tuyau a tamis de protection contre l'ensablement dote dudit treillis filtrant

Country Status (4)

Country Link
US (1) US20070114171A1 (fr)
CN (1) CN2547872Y (fr)
AU (1) AU2003221275A1 (fr)
WO (1) WO2003083257A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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CN109138935A (zh) * 2018-09-30 2019-01-04 大庆宏远华星科技有限公司 一种高效过滤石油筛管
CN114075954A (zh) * 2020-08-20 2022-02-22 中国石油化工股份有限公司 一种防堵塞高渗滤砂管

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CN100432370C (zh) * 2004-10-25 2008-11-12 北京海能海特石油科技发展有限公司 防砂管的制造方法
JP5244913B2 (ja) * 2010-01-26 2013-07-24 阿波製紙株式会社 濾過装置
CN102071914B (zh) * 2011-01-10 2016-05-18 中国石油大学(华东) 现场可调精度的防砂筛管
CN102220857A (zh) * 2011-05-17 2011-10-19 中国石油天然气股份有限公司 泡沫金属复合防砂结构及液体抽取管
EP2817077B1 (fr) * 2012-02-20 2016-04-13 NV Bekaert SA Filtre de type toile de fibres métalliques
CN102943310B (zh) * 2012-11-23 2015-06-17 侯志辉 一种用于氨纶生产中的熔体滤芯
EP2938812A4 (fr) * 2013-03-06 2017-01-04 Halliburton Energy Services, Inc. Procédé d'assemblage de claie à sable
CN103352677B (zh) * 2013-07-18 2016-01-20 太仓优尼泰克精密机械有限公司 一种井下石油防砂过滤管
CN104675369A (zh) * 2015-02-12 2015-06-03 安东石油技术（集团）有限公司 防砂筛管及防砂筛管的制造方法
CA2980533A1 (fr) * 2015-03-24 2016-09-29 John A. Sladic Appareil pour transporter des traceurs chimiques sur des elements tubulaires de fond de trou, des crepines, et similaire
US20170145796A1 (en) * 2015-05-19 2017-05-25 Halliburton Energy Services, Inc. Braided screen for downhole sand control screen assemblies
CN105064960A (zh) * 2015-08-26 2015-11-18 武汉海王机电工程技术公司 反向滤缝式耐高压滤砂筒及其制作方法
CN112228014A (zh) * 2020-11-03 2021-01-15 山东普瑞思德石油技术有限公司 一种抗堵控水筛管
CN113047819B (zh) * 2021-03-09 2023-04-11 中国石油天然气集团公司 一种防砂筛管及其应用
CN113958297A (zh) * 2021-12-22 2022-01-21 鸿旭昌石油装备有限公司 一种具有高效过滤性的石油抽取用筛管
CN115450589B (zh) * 2022-08-04 2024-04-26 广州海洋地质调查局 一种变精度旋转解堵筛管及方法

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US6006829A (en) * 1996-06-12 1999-12-28 Oiltools International B.V. Filter for subterranean use
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CN2382836Y (zh) * 1999-04-07 2000-06-14 辽河石油勘探局华油实业公司兴科公司 油田井下可控孔隙度防砂筛管
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CN2441972Y (zh) * 2000-08-25 2001-08-08 马凤廷 钢丝网套金属纤维筛管

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109138935A (zh) * 2018-09-30 2019-01-04 大庆宏远华星科技有限公司 一种高效过滤石油筛管
CN114075954A (zh) * 2020-08-20 2022-02-22 中国石油化工股份有限公司 一种防堵塞高渗滤砂管

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AU2003221275A1 (en) 2003-10-13
US20070114171A1 (en) 2007-05-24
CN2547872Y (zh) 2003-04-30

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